In the garden

[foxlair]

My last three garden ones Q1 Supporter finds shirt right before the immigrants island 7letters Q2 Inspector loses one direction gains another and gets muddled in the compost 5 letters Q3 Secured stray dogs 4-4 letters Thanks for all your help

[bridgenut]

if the inspector is MORSE and you lose the 'E' and add a 'W' an anagram gives WORMS

[Grace Digger]

Q2 worms

[valerieb1254]

Q3) Someone answered this a while ago.
SEED TRAY
Your question should have been, Secured stray dogs away.
Se CUR ed S tray ..minus CURS for dogs
Hope you can understand it.
Val.

[bridgenut]

1) TRELLIS
'T' is the shirt 'R' is right and ELLIS is the island in New York harbour that immigrants went to.
regards

[Grace Digger]

Q2 worms

Q1 trellis